Subtract 10/45 from 80/50, Solve 1 30/50

Subtract 10/45 from 80/50

1^st number: 1 30/50, 2^nd number: 10/45

80/50 - 10/45 is 62/45.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450
Likewise, for the 2nd fraction, since 45 × 10 = 450,
10/45 = 10 × 10/45 × 10 = 100/450
Subtract the two like fractions:
720/450 - 100/450 = 720 - 100/450 = 620/450
After reducing the fraction, the answer is 62/45
In mixed form: 117/45

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